TB 9-4920-464-24
NOTE
Ensure power supply current is set to supply TI with 1.5 Amps DC.
(3) Turn TI PARAMETER SELECTOR switch to V01.
(4) Connect calibration fixture to TI connector J5. Set multimeter to read AC volts.
Connect multimeter to calibration fixture R1 and R2 to record readings as indicated below.
V DC on TI DC VOLTMETER and wait for display to stabilize.
(6) Turn TI FUNCTION SELECTOR switch to EXT. J-BOX SIGNATURE. Wait
for reading on multimeter to stabilize.
(7) Record VCD (R1) and VEF (R2). Verify that both readings are between 18 and 22 V AC.
VCD (R1) =_________V AC
VEF (R2) =_________V AC
V
V
(8) Calculate the ratio using the following formula.
V
V
Ratio:____________
(9) Verify that the ratio is between 0.00274 and 0.00286. If ratio is not within
tolerance perform b below.
FUNCTION
SELECTOR
INTERNAL
J-BOX
REF.
(10) Turn
TI
switch
to
SIGNATURE.
V DC on TI DC VOLTMETER and wait for display to stabilize.
(12) Turn TI FUNCTION SELECTOR switch to EXT. J-BOX SIGNATURE. Wait
for reading on multimeter to stabilize.
(13) Record VCD (R1) and VEF (R2). Verify that both readings are between 18 and 22 V AC.
VEF (R2) =_________V AC
VCD (R1) =_________V AC
V
V
(14) Calculate the ratio using the following formula.
V
V
Ratio:____________
(15) Verify that the ratio is between 0.01223 and 0.01247. If ratio is not within
tolerance, perform b below.
FUNCTION
SELECTOR
INTERNAL
J-BOX
REF.
(16) Turn
TI
switch
to
SIGNATURE.
V DC on TI DC VOLTMETER and wait for display to stabilize.
(18) Turn TI FUNCTION SELECTOR switch to EXT. J-BOX SIGNATURE. Wait
for reading on multimeter to stabilize.
(19) Record VCD (R1) and VEF (R2). Verify that both readings are between 18 and 22 V Ac.
If readings are not within tolerance, perform b below.
VCD (R1) =_________V AC
VEF (R2) =_________V AC
12
